/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/NiagaraStackSimulationStageGroup.h
void SetOnModifiedSimulationStages ( [FOnModifiedSimulationStages](API\Plugins\NiagaraEditor\ViewModels\Stack\UNiagaraStackSimulationStageGrou-\FOnModifiedSimul-) OnModifiedSimulationStages )